Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Purple CheckoutSpec= Cool Gray It’s equipped with a high-output

It’s equipped with a high-output LED emitter capable of providing up to 400 lumens as well as a Daytime Flash mode

The EnCase Pump is designed for quick use

Cassette/Freewheel:SRAM GX Eagle XS 1275 Transmission 10-52

warm and comfortable in any condition

It’s back

Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Purple CheckoutSpec= Cool Gray It’s equipped with a high-outputCogs are designed with narrow wide alternating tooth pattern allowing for superior chain retention Cogs are optimized for use with Solo XD Carrier system only Will not work with 13spd Campagnolo chains or 12spd Shimano HG+ chains TECH SPECS model SOLO XD description SOLO XD replacement cog teeth 21 chain 9 12sp color purple